(HK$ million)
  2018 2017
Group revenue 50,368 57,546
Share of revenue of joint ventures 14,113 6,234
Total 64,481 63,780
Profit attributable to
  Shareholders
  Non-controlling interests and
  holders of perpetual capital
  securities

40,117
1,517

30,125
763
Profit after taxation 41,634 30,888
                                        (HK$)
  2018 2017
Shareholders' funds
   – NBV per share (Note 1)

87.59

78.85
Earnings per share (Note 2) 10.85 8.07
Dividends per share
   Interim dividend
   Final dividend
1.90
0.47
1.43
1.70
0.42
1.28

Note 1: Calculation of NBV per share for 2018 and 2017 is based on number of shares in issue at the year end dates.

Note 2: Calculation of earnings per share for 2018 and 2017 is based on the weighted average number of shares in issue during the year.